Portsmouth Rhode Island Weather Almanac
Thursday, October 15, 2020
Clear to Partly Cloudy, Light Fog and Warmer
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    October 15, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   70   62   62   +8   78   in 1956   44   in 2009  
Minimum Temperature   53   45   46   +7   64   in 2014   32   in 1979  
Average Temperature   62   54   54   +8   69   in 2014   41   in 2009  
Precipitation   .00   .00   .13   -.13   3.15   in 2005            
One Hour   .00   .00           .92   in 2005            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in              
HDD   3   11   11   -8   24   in 2009   0   in 2017  
CDD   0   0   0   +0   4   in 2014   0   in    
Maximum Dew Point   61   56   52   +10   69   in 2014   37   in 1983  
Minimum Dew Point   51   37   40   +11   63   in 2014   23   in 1996  
Average  Dew Point   56   47   46   +10   66   in 2014   31   in 1996  
Maximum Humidity   96%   94%   91%   +5%   100%   in 2018   56%   in 1973  
Minimum Humidity   63%   41%   55%   +8%   92%   in 1955   27%   in 1996  
Average Humidity   80%   68%   73%   +6%   96%   in 2017   46%   in 1996  
Maximum Barometer   30.08   30.15   30.10   -00.02   30.46   in 2016   29.58   in 2010  
Minimum Barometer   30.02   30.01   29.86   +00.16   30.41   in 2016   29.09   in 2003  
Average Barometer   30.05   30.08   29.98   +00.07   30.44   in 2016   29.40   in 2003  
Average Wind   7.6   6.0   7.1   +0.5   20.5   in 1955   1.6   in 1959  
Direction   S   NW   SW       ENE         N        
High Wind Gust   27   21   24   +3   55   in 1954   9   in 1997  
Direction   SSW   NW   WSW       ESE         N        
High Heat Index                   78   in 1956            
Wind Chill       43                     31   in 1979  
Maximum Water Temp   64.0   61.0   62.1   +1.9   65.9   in 2014   58.7   in 2009  
Minimum Water Temp   62.6   59.2   60.5   +2.1   63.9   in 2014   54.9   in 2009  
Average Water Temp   63.3   60.1   61.3   +2.0   64.9   in 2014   56.8   in 2009  
Sunrise/ AM Twilight   6:58:42 AM   6:30:51 AM            
Sunset / PM Twilight   6:02:46 PM   6:30:37 PM            
Length Of Day   11:04:04                          
Special Conditions   Light Fog                              
Comments      
    October 15, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   66.7   63.8   64.5   +2.2   72.5   in 1990   55.4   in 1896  
Avg Minimum Temperature   51.3   50.9   48.9   +2.4   56.1   in 2017   39.7   in 1981  
Average Temperature   59.3   57.6   56.6   +2.7   64.3   in 1990   49.6   in 1981  
Total Precipitation   1.73   1.27   1.84   -.11   8.11   in 2005   .00   in 1914  
Total Snow   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD   86   119   127   -41   231   in 1981   35   in 1990  
Total CDD   1   8   5   -4   48   in 1954   0   in 2016  
Avg Maximum Dew Point   57.7   56.8   54.2   +3.5   62.9   in 2018   43.3   in 1981  
Avg Minimum Dew Point   45.5   45.7   42.9   +2.6   54.0   in 2005   32.3   in 1981  
Average  Dew Point   51.9   51.7   48.5   +3.3   58.4   in 2005   37.8   in 1981  
    October 15, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   26.99   40.67   37.35   -10.36   51.27   in 1998   18.73   in 1957  
Total Snow (since Jul 1 20)   0.0   0.0   0.0   +0.0   0.7   in 1979   0.0   in    
Total HDD (since Jul 1 20)   142   162   216   -74   402   in 1956   80   in 1961  
Total CDD (since Jan 1)   868   731   563   +305   868   in 2020   290   in 1902  
                             
Hour-by-Hour Weather For October 15, 2020  
Climate Weather for October 15  
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